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Updated indexing for the smaller polytopes

experiments-120-cell
Mike Lynch 2023-09-01 19:00:55 +10:00
parent f9d59a777d
commit 41d8f7ed92
2 changed files with 18 additions and 18 deletions
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2
main.js
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@ -35,7 +35,6 @@ scene.background = new THREE.Color(0x808080);
const material = new THREE.MeshStandardMaterial({ color: 0x3293a9 });
const node_colours = get_colours(0x3293a9);
console.log(node_colours);
material.transparent = true;
material.opacity = 0.5;
@ -75,7 +74,6 @@ function createShape(name) {
if( shape ) {
scene.remove(shape);
}
console.log(STRUCTURES[name]);
shape = new FourDShape(node_ms, link_ms, face_ms, STRUCTURES[name]);
scene.add(shape);
}

34
polytopes.js
View File

@ -62,11 +62,11 @@ export const cell5 = () => {
const r2 = Math.sqrt(2) / 2;
return {
nodes: [
{id:1, label: 0, x: r2, y: r2, z: r2, w: -r2 / r5 },
{id:2, label: 1, x: r2, y: -r2, z: -r2, w: -r2 / r5 },
{id:3, label: 2, x: -r2, y: r2, z: -r2, w: -r2 / r5 },
{id:4, label: 3, x: -r2, y: -r2, z: r2, w: -r2 / r5 },
{id:5, label: 4, x: 0, y: 0, z: 0, w: 4 * r2 / r5 },
{id:1, label: 1, x: r2, y: r2, z: r2, w: -r2 / r5 },
{id:2, label: 2, x: r2, y: -r2, z: -r2, w: -r2 / r5 },
{id:3, label: 3, x: -r2, y: r2, z: -r2, w: -r2 / r5 },
{id:4, label: 4, x: -r2, y: -r2, z: r2, w: -r2 / r5 },
{id:5, label: 5, x: 0, y: 0, z: 0, w: 4 * r2 / r5 },
],
links: [
{ id:1, source:1, target: 2},
@ -92,14 +92,14 @@ export const cell16 = () => {
let nodes = PERMUTE.coordinates([1, 1, 1, 1], 0);
nodes = nodes.filter((n) => n.x * n.y * n.z * n.w > 0);
nodes[0].label = 0;
nodes[3].label = 1;
nodes[5].label = 2;
nodes[6].label = 3;
nodes[7].label = 0;
nodes[4].label = 1;
nodes[2].label = 2;
nodes[1].label = 3;
nodes[0].label = 1;
nodes[3].label = 2;
nodes[5].label = 3;
nodes[6].label = 4;
nodes[7].label = 1;
nodes[4].label = 2;
nodes[2].label = 3;
nodes[1].label = 4;
index_nodes(nodes);
scale_nodes(nodes, 0.75);
@ -123,6 +123,8 @@ export const tesseract = () => {
for( const n of nodes ) {
if( n.x * n.y * n.z * n.w > 0 ) {
n.label = 2;
} else {
n.label = 1;
}
}
@ -143,9 +145,9 @@ export const tesseract = () => {
const CELL24_INDEXING = {
x: { y: 0, z: 2, w: 1 },
y: { z: 1, w: 2 },
z: { w: 0 }
x: { y: 1, z: 3, w: 2 },
y: { z: 2, w: 3 },
z: { w: 1 }
};